Answer Key
Answers to all activities in an easy printable format Problem Solving Answer Key (PDF)

Answer Key
Answers to all 4th-grade activities in an easy printable format Grade 4 Answer Key (PDF)

Printable Bonus
Print (in black and white or color) the tans that appear on pages 14-15. Students can cut them apart and use them to complete the activity.
Tangram (PDF)

Answer Key
Answers to all 5th-grade activities in an easy printable format Grade 5 Answer Key (PDF)

Answer Key
Answers to all 6th-grade activities in an easy printable format Grade 6 Answer Key (PDF)

Printable Bonus
Print and cut apart the cards for students to complete the bonus activity on page 28.
Letter Cards (PDF)

Answer Key
Answers to all 1st-Grade activity pages in an easy printable format Grade 1 Answer Key (PDF)

Printable Bonus
Fun practice for reading analog and digital clocks. Print two sets of cards to use separately or combined.
Telling-Time Memory Cards (PDF)

Answer Key
Answers to all 2nd-Grade activity pages in an easy printable format Grade 2 Answer Key (PDF)

Printable Bonus
A memory game to reinforce reading analog and digital clocks, plus time in words. Print two sets of cards to use separately or combined.
Telling-Time Triples (PDF)

Answer Key
Answers to all 3rd-Grade activity pages in an easy printable format Grade 3 Answer Key (PDF)

Printable Bonus
Hands-on activities to reinforce students’ understanding of equivalent fractions.
Fraction Action (PDF)

Answer Key
Answers to all addition and subtraction activity pages in an easy printable format Addition/Subtraction Answer Key (PDF)

Answer Key
Answers to all fraction activity pages in an easy printable format Fractions Answer Key (PDF)

Answer Key
Answers to all multiplication and division activity pages in an easy printable format Multiplication and Division Answer Key (PDF)